Answer:
4n +28
Step-by-step explanation:
Tommy's purchases add up to ...
4n +10 + 18 = 4n +28
The answer to 3/4 divided by 5/6 = 9/10
The answer to the question
The defect rate of a company is equal to the probability of a randomly selected sensor from that company being defective.
Breaker's has a 4% defect rate, so the probability that a Breaker's sensor being defective is 4%, or 0.04.
The answer is A) 0.04
